Function lock [src]

Prototype

pub fn lock(rwl: *DefaultRwLock) void

Parameters

rwl: *DefaultRwLock

Source

  pub fn lock(rwl: *DefaultRwLock) void {
    _ = @atomicRmw(usize, &rwl.state, .Add, WRITER, .seq_cst);
    rwl.mutex.lock();

    const state = @atomicRmw(usize, &rwl.state, .Add, IS_WRITING -% WRITER, .seq_cst);
    if (state & READER_MASK != 0)
        rwl.semaphore.wait();
}  